Shark Skin-Like Plastic Makes Planes More Aerodynamic, Benefits or Dangers of Fluoride in Water, and TDIH - Empire State Building Dedicated

A plastic film that mimics shark skin may help airplanes fly a little greener and is there a benefit to fluoride in public water systems? On This Day in History, the Empire State Building is dedicated by President Herbert Hoover.

This Film Shaped Like Shark Skin Makes Planes More Aerodynamic and Saves Billions in Fuel | ZME Science Florida set to become second state to ban fluoride in public water | NBC News Two cities stopped adding fluoride to water. Science reveals what happened | Science News Empire State Building dedicated | May 1, 1931 | HISTORY President Hoover dedicates Empire State Building, May 1, 1931 - POLITICO 10 Surprising Facts About the Empire State Building | HISTORY Contact the show - coolstuffcommute@gmail.com

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